Yes enforcement of cost containment is difficult, but not impossible.   Just like any technical rule.  You test and audit and teams will find ways just like in the technical rules. And the rule enforcers adjust rules and methods.   I don’t see how cost cap is any different than policing aero and engine tech.  Pushing boundaries is in the fabric F1.

Let me ask you a simple question. Is the difference between the Alpine/McLaren and Redbull/Mercedes/Ferrari smaller or larger after the cost cap implementation? If it’s smaller the cost cap is improving the racing.